Lee Precision 90849 Factory Crimp Die 338 Win Mag 338-06 A-Square

The Lee Precision 90849 Factory Crimp Die delivers consistent bullet seating depth and proper case mouth crimping for 338 Winchester Magnum and 338-06 A-Square cartridges. This specialized reloading die ensures uniform cartridge overall length while applying the precise crimp needed for reliable feeding and consistent ignition.

What Makes This Different

Unlike standard seating dies that can vary crimp pressure, the Factory Crimp Die uses Lee's collet system to apply uniform crimping force regardless of case length variations. The die incorporates a post-sizing operation that ensures consistent chamber fit. This dual-action design eliminates the guesswork common with traditional crimping methods, producing ammunition that meets factory specifications.

Key Features

• Collet-style crimping system provides uniform pressure across all cartridges
• Post-sizing feature ensures proper chamber dimensions after crimping
• Compatible with 338 Winchester Magnum and 338-06 A-Square cartridges
• Standard 7/8"-14 threading fits most reloading presses
• Heat-treated steel construction with precision-machined surfaces
• Includes detailed instructions and load data references
• Works with both jacketed and cast bullets

Field testing demonstrates improved feeding reliability in bolt-action and semi-automatic rifles when using properly crimped ammunition. The consistent crimp depth helps maintain uniform powder burn rates, contributing to better accuracy potential. Hunters and competitive shooters report fewer feeding malfunctions when using ammunition processed through this die, particularly important for dangerous game hunting where reliability is critical.

Technical Specs

• Thread specification: 7/8"-14 TPI standard
• Compatible calibers: 338 Winchester Magnum, 338-06 A-Square
• Material: Heat-treated alloy steel
• Finish: Black oxide coating
• Overall length: Approximately 3.5 inches
• Weight: 8 ounces
• Country of origin: United States
• Manufacturer part number: 90849

This Factory Crimp Die addresses the specific needs of magnum cartridge reloaders who demand consistent performance from their handloaded ammunition. The precision engineering eliminates variables that can affect accuracy and reliability, making it an essential tool for serious 338 caliber shooters.